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From: Paul Gortmaker <paul.gortmaker@windriver.com>
To: <linux-kernel@vger.kernel.org>
CC: Paul Gortmaker <paul.gortmaker@windriver.com>,
        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
        Josh Triplett <josh@joshtriplett.org>,
        Steven Rostedt <rostedt@goodmis.org>,
        Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
        Lai Jiangshan <jiangshanlai@gmail.com>
Subject: [PATCH] rcu: don't use modular infrastructure in non-modular code
Date: Fri, 15 Jul 2016 12:19:41 -0400
Message-ID: <20160715161941.12756-1-paul.gortmaker@windriver.com>
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The Kconfig currently controlling compilation of tree.c is:

init/Kconfig:config TREE_RCU
init/Kconfig:   bool

...and update.c and sync.c are "obj-y" meaning that none are ever
built as a module by anyone.

Since MODULE_ALIAS is a no-op for non-modular code, we can remove
them from these files.

We leave moduleparam.h behind since the files instantiate some boot
time configuration parameters with module_param() still.

Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
---
 kernel/rcu/sync.c   | 2 --
 kernel/rcu/tree.c   | 2 --
 kernel/rcu/update.c | 3 +--
 3 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/kernel/rcu/sync.c b/kernel/rcu/sync.c
index a33dfc9b3b0c..2c2a0721e6fa 100644
--- a/kernel/rcu/sync.c
+++ b/kernel/rcu/sync.c
@@ -23,9 +23,7 @@
 #include <linux/rcu_sync.h>
 #include <linux/sched.h>
 #include <linux/moduleparam.h>
-#include <linux/module.h>
 
-MODULE_ALIAS("rcusync");
 #ifdef MODULE_PARAM_PREFIX
 #undef MODULE_PARAM_PREFIX
 #endif
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index bcae3cea40fd..4bc03955a393 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -41,7 +41,6 @@
 #include <linux/export.h>
 #include <linux/completion.h>
 #include <linux/moduleparam.h>
-#include <linux/module.h>
 #include <linux/percpu.h>
 #include <linux/notifier.h>
 #include <linux/cpu.h>
@@ -60,7 +59,6 @@
 #include "tree.h"
 #include "rcu.h"
 
-MODULE_ALIAS("rcutree");
 #ifdef MODULE_PARAM_PREFIX
 #undef MODULE_PARAM_PREFIX
 #endif
diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c
index f0d8322bc3ec..f19271dce0a9 100644
--- a/kernel/rcu/update.c
+++ b/kernel/rcu/update.c
@@ -46,7 +46,7 @@
 #include <linux/export.h>
 #include <linux/hardirq.h>
 #include <linux/delay.h>
-#include <linux/module.h>
+#include <linux/moduleparam.h>
 #include <linux/kthread.h>
 #include <linux/tick.h>
 
@@ -54,7 +54,6 @@
 
 #include "rcu.h"
 
-MODULE_ALIAS("rcupdate");
 #ifdef MODULE_PARAM_PREFIX
 #undef MODULE_PARAM_PREFIX
 #endif
-- 
2.8.4